Project data

Location: Hongkong, China

Two multi-storey factory operation buildings on each of the two 100,000 m² artificial islands at the east and west ends of the tunnel respectively

Structure on the western island: approx. 19,000 m² usable area for machine rooms, fire-fighting equipment and administration; consisting of one underground level and three above-ground floors; around 20 m total height

Structure at the eastern exit of the tunnel: approx. 27,000 m² of usable area on 4 floors; apart from the operating rooms, retail areas as well as an exhibition on the development of the mega project is being realized; around 23,60 m total height

Requirements

Highest architectural concrete requirements

Efficient formwork solutions with system formwork and the least possible use of special formwork

Project-specific solutions for complex shapes

Customer

China Communications Construction Company Ltd. (CCCC)

Customer's benefit

Realization of the the highest possible architectural concrete quality according to SB 4

PERI played a decisive role in realizing this once-in-a-century structure; tunnel entrances, breakwaters and operation buildings were extremely challenging due to maintaining the highest quality requirements. The formwork carriages could easily be moved and provided the best possible safety and first-class architectural concrete quality. We came to appreciate the professional engineering, service and the striving of the PERI engineers for perfection.

PERI solution

Planning of the formwork solution including the development of new construction methods

Cost-effective formwork solution with efficient use of system formwork

Planning and delivery of custom-made plywood formliners

Continuous monitoring of construction measures and quality assurance on site by a PERI supervisor